But it must have been Wynant. I should have known if it weren't his voice.
5 seconds sound clip from the The Thin Man (1936) classic radio play.
You can hear this line at 00:49:21 in the radio play.
Quote context
[...]
- Well, after our hero killed Wynant, he got a brilliant idea.
- He realized that he and Julia could still collect money.
- Wynant was supposed to be on a trip - no one knew where.
- But it must have been Wynant. I should have known if it weren't his voice.
- Oh, he was clever about that. He called when you were out.
- Is that true? I don't know. Why are you saying it? It's the only way it makes sense.
[...]